Ключевые слова: aqua, asphalt, blue, cast, circle, city, city planning, cityscape, civil engineering, commercial, concrete, copy, cover, day, drain, drinking, gray, grey, ground, ground level, heavy, industrial, infrastructure, iron, level, main, manhole, metal, monitor, municipal, pattern, pavement, pipes, plate, residential, road, round, sewer, sidewalk, space, steel, sunshine, supply, system, underground, urban, utility, water, water supply, wet,